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Found 2 results

  1. Greetings pool gurus, Hoping to get some clues as to what's up with an older Jandy LXi heater that's not working consistently. Been in my house for about 5 years - pool and equipment came with the house, and was clearly a few years old at that point. Heater outdoors, but in a covered area so it's not getting rained on. Use the heater for integrated hot tub. Heater has been flaky the entire time we've been here - sometimes it would light, sometimes it wouldn't, sometimes it would come on once, but then not re-activate once the water temperature dropped - just flaky all around. Pool company we contracted with for service at the time could never make it work right; threw parts at it, called it "repaired", but the next time we'd go to use it (often weeks later), it would act up again. Most recently - wouldn't light at all, period. Checked resistance on the igniter; supposed to be between 40 & 75 ohms; was at 76 ohms one time, and 74 the next. Swapped it - seemed to help; lights the first time *consistently* now. Unit comes up to temperature, but will not re-ignite; ends up timing out after 3 tries, I get my ignition fault, and three flashes on the ignition control module. When this occurs, I *am* seeing the glow through the window on the side of the unit, so the igniter seems to be online. Replaced the flame sensor rod; it had a fair bit of residue on it - cleaned it first; no change, so swapped it. No change in behavior with the new sensor. Pressure sensor was replaced recently by my pool maintenance guy before I did the above - (he works for the old company, and has buddies who help with repairs) - it looks fine, both hoses are new - no obvious issues there. Would this be related to a fusible link issue, even though I'm consistently getting the ignition fault error message? Could it be the incoming airflow needs to be adjusted a bit, in that once the heater has been on for a while, the mixture needs to be slightly different to allow for the subsequent rounds of ignition and heating? I don't have the tools to measure the plenum pressure unfortunately. Open to any suggestions on what to check next; kind of a pain since I can't just do testing right off the bat - gotta let it heat up, cool down, and wait for that second attempt at heating. Unit is on propane, and has a dedicated line that's for it, a 900 square foot outbuilding, and a patio fireplace - neither of the others are in use when this occurs, and no issues with either of them. I'm stuck since the error is consistent, not pointing to other sources - appreciate any additional testing ideas or suggestions!
  2. I have a Jandy LX 250, about 8 years old. It is connected throught the fireman's switch to a Jandy RS6 control center. Both thermostats (pool & Spa) on the heater are set to max. The heater will come on and bring the water up to the temperature set on the control center. When the water temperature drops, the control center activates, however the heater doesn't come one. I hear the blower fan for maybe a minute. then nothing. No error lights, and the spa or heater light remain solid. Rather than start blinking when the burns are light. I hear no ignition clicks. It seems after it sits for a while, the heater will come on, and the process will start all over again. I have replaced the temperature sensor, and cleaned the flame sensor. Any thought on what the problem may be? Thanks,
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